List Matching

Hi all I feel I am close to getting what I want, but I am really confused with my list, I am trying to match 0 to 0 1 to 1 etc with a curve, and I have tried for a while with no luck would be grateful if you could help,

jackie edited.3dm (75.2 KB) jackie (18.9 KB)

jackie (20.4 KB)
here it is, you just needed to flatten the input curves

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Thank you, still getting my head around the lists

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